Sorry peet, we completely missed this post back in December, and noticed it just now. Are you able to reproduce the error at anytime? If so, could you try sending that email to us as well at support@logsat.com?

We received it without problems, and tried feeding the same exact email to your older version of SpamFilter v4.2.4.844. That older version however is able to process it fine.

If you can duplicate it at will on your end, could you please try adding us as a CC or BCC in the same email that you can send to your server causing the error to come up? I just want to be sure that nothing is altered in the original source of the "problem" email, since I see that the one we received was forwarded multiple times between different email addresses.

After failing to reproduce this issue when using your settings, I looked at your SpamFilter logfile to see if there clues there as to what may have been happening. Unfortunately we were so focused on reproducing the problem that we resorted to the logfile too late, since that log is showing exactly what the issue is. In the logs we see a very large number of "Out of memory" errors. They are mostly occurring when SpamFilter tries to add spam emails to the database, but there were 11 instances when they occurred while receiving an email, and one of them is for your large email below:

Can you please check the server to ensure SpamFilter has enough memory to operate? Judging from your logs, you only receive 10,000/15,000 emails per day, and for that small amount SpamFilter only needs about 500MB of RAM, but if you're sharing that server with other applications, you should ensure SpamFilter has enough.

In case SpamFilter is using too much memory, can you try clearing out the corpus for the Bayesian filter by:

stop SpamFilter

delete (or rename) the SpamFilter/corpus directory

then restart SpamFilter?

Please let me know if you still are unable to resolve the memory problems after looking into this, so we can try to help further.

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